CN217045291U - Heating device for quickly dismounting inner sleeve and shoulder ring of roller bearing - Google Patents
Heating device for quickly dismounting inner sleeve and shoulder ring of roller bearing Download PDFInfo
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- CN217045291U CN217045291U CN202220405631.1U CN202220405631U CN217045291U CN 217045291 U CN217045291 U CN 217045291U CN 202220405631 U CN202220405631 U CN 202220405631U CN 217045291 U CN217045291 U CN 217045291U
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Abstract
A heating device for quickly dismounting and mounting an inner sleeve and a shoulder ring of a roller bearing comprises a heating box and a mounting vehicle, wherein the heating box is arranged on the mounting vehicle, the heating box is provided with an outer box body and a heating sleeve, the heating sleeve is positioned in the outer box body, the heating sleeve is connected with the outer box body at the end part, the heating sleeve is a stepped cylindrical piece, two sections of different diameters of the heating sleeve respectively correspond to the inner sleeve of the bearing and the shoulder ring of the roller, and a copper coil is wound outside the heating sleeve. The utility model discloses improve heating device's heating jacket into the step, two sections different diameters punishment of heating jacket do not correspond bearing endotheca and roll shoulder ring, and the heating jacket sets up the copper coil outward. The copper coil is electrified to finish heating of the bearing inner sleeve and the roller shoulder ring at one time, the heating temperature is uniform, and the problem that the temperature of the roller shoulder ring of the cutting gun is not easy to control is solved. Furthermore the utility model discloses a still designed the installation car that transports the heating cabinet, can be convenient with transporting and the altitude mixture control of heating cabinet, alleviateed operating personnel's intensity of labour.
Description
Technical Field
The utility model relates to a special heating device, especially be used for quick assembly disassembly roller bearing endotheca and shoulder ring's heating device.
Background
The roller is an important part of the rolling mill, an inner sleeve of a bearing of the roller and a shoulder ring of the roller are in interference fit with a roller shaft, the material is an alloy material, the surface is carburized steel, the material has certain hardness and wear resistance, the axial positioning effect is achieved, meanwhile, the roller is in contact with parts such as the bearing and the like under pressure stress, the anti-friction and vibration reduction effects can be achieved, the shaft can be isolated from harmful media, and the service life of the shaft is prolonged. In the rotating process of the roller, the bearing inner sleeve and the shoulder ring are abraded due to long-term friction, and the bearing inner sleeve and the shoulder ring need to be replaced when the bearing inner sleeve and the shoulder ring are abraded to a certain degree, otherwise, the bearing box is burnt or the roller is broken. During the replacement process, the bearing inner sleeve and the roller shoulder ring need to be heated and disassembled through thermal expansion. The heating part of the existing roller shoulder ring heating device is not matched with the structure of a shoulder ring, so that a bearing inner sleeve and the roller shoulder ring cannot be heated at the same time at one time, the bearing inner sleeve needs to be heated first, and a shaft sleeve needs to be removed; and then heating the roller shoulder ring by using a cutting gun. The burning torch heats inhomogeneous and easy fish tail main shaft surface, sometimes can be because the heating is insufficient and difficult to dismantle, need heat repeatedly, and is consuming time hard, still probably makes roll axle position performance change, influences its wearability and intensity, appears changeing the cover, the axle position grinds scheduling problem. In addition, the mode of hoist and mount is adopted to traditional heating device during operation, has the position and rocks unstable problem.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's drawback, provide a heating device for quick assembly disassembly roller bearing endotheca and shoulder ring, heating device can once heat bearing endotheca and roller shoulder ring jointly, heats effectual and labour saving and time saving.
The purpose of the utility model is realized by the following technical scheme:
the heating device comprises a heating box and an installation vehicle, wherein the heating box is arranged on the installation vehicle, the heating box is provided with an outer box body and a heating sleeve, the heating sleeve is positioned in the outer box body and is connected with the outer box body at the end part, the heating sleeve is a stepped cylindrical part, two sections of different diameters of the heating sleeve respectively correspond to the bearing inner sleeve and the roller shoulder ring, and a copper coil is wound outside the heating sleeve.
The heating device for quickly dismounting and mounting the inner sleeve of the roller shaft bearing and the shoulder ring is characterized in that the mounting vehicle is provided with a vehicle bottom plate and a vehicle top plate, the vehicle bottom plate is provided with a jack, two sides of the jack are provided with telescopic supports, the top of the jack is connected with the vehicle top plate, and the top of the telescopic supports is connected with the vehicle top plate.
The heating device for quickly disassembling and assembling the inner sleeve and the shoulder ring of the roller bearing is characterized in that the heating sleeve is made of an epoxy resin plate.
The heating device for quickly disassembling and assembling the inner sleeve and the shoulder ring of the roller bearing is characterized in that the inner wall of the heating sleeve is provided with a limiting boss.
The heating device for quickly disassembling and assembling the inner sleeve and the shoulder ring of the roller bearing is characterized in that the outer box body is provided with the supporting legs.
The utility model discloses the problem to solving roll bearing endotheca and roll shoulder ring dismouting process and existing improves, improves heating jacket to heating device for the step, and two sections different diameter punishments of heating jacket do not correspond bearing endotheca and roll shoulder ring, and the heating jacket sets up the copper coil outward. The heating of bearing inner race and roll shoulder ring is once only accomplished to copper coil circular telegram back, and heating temperature is even, has solved the not easily controlled problem of burning torch roll shoulder ring temperature, has effectively stopped the axial performance sudden change that causes because of the repeated heating, has avoided the main shaft damage because of drawing and installation difficulty cause, avoids having phenomena such as burning the case, grinding because of the main shaft has the defect to cause. Furthermore the utility model discloses still designed the installation car that transports the heating cabinet, the roof height-adjustable of installation car, can be convenient transport the roll position with the heating cabinet to according to the high rising heating cabinet that plays of roll, alleviateed operating personnel's intensity of labour.
Drawings
The present invention will be further explained with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of the present invention.
The reference numbers in the figures are: 1. the device comprises an outer box body, 1-1 parts of supporting legs, 2 parts of copper coils, 3 parts of heating sleeves, 4 parts of limiting bosses, 5 parts of rollers, 6 parts of roller shoulder rings, 7 parts of bearing inner sleeves, 8 parts of a vehicle roof plate, 9 parts of telescopic supports, 10 parts of a vehicle bottom plate, 11 parts of jacks, 12 parts of a distribution box.
Detailed Description
Referring to fig. 1, the utility model discloses a heating cabinet and installation car, the heating cabinet setting is on the installation car. The heating box is provided with an outer box body 1 and a heating jacket. The outline of the outer box body is cuboid, supporting legs 1-1 are arranged outside the outer box body, and a cylindrical inner cavity is arranged in the outer box body. The heating sleeve is positioned in the inner cavity of the outer box body, and the end parts of the heating sleeve and the outer box body are connected through bolts. The heating sleeve is a step-type cylindrical part, two sections of different diameters of the heating sleeve respectively correspond to the bearing inner sleeve 7 and the roller shoulder ring 6, and the copper coil 2 is wound outside the heating sleeve. The heating jacket is made of an epoxy resin plate. By adopting the structure, the heating of the bearing inner sleeve and the shoulder ring can be completed at one time after the copper coil is electrified, the heating temperature is uniform, and the problem that the temperature of the roller shoulder ring heated by the cutting torch is not easy to control is solved. In order to ensure that the heating sleeve is basically concentric relative to the bearing inner sleeve and the shoulder ring, the positions of the inner wall of the heating sleeve, which correspond to the bearing inner sleeve and the roller shoulder ring, are respectively provided with a limiting lug boss 4, wherein 1-2 circles of limiting lug bosses are arranged at the position corresponding to the bearing inner sleeve, and 3-6 limiting lug bosses are uniformly distributed in each circle; 1 circle of limiting bosses are arranged at the position corresponding to the roller shoulder ring, and 3-6 limiting bosses are uniformly distributed in each circle.
Still referring to fig. 1, the installation vehicle is provided with a vehicle bottom plate 10 and a vehicle top plate 8, a jack 11 is arranged on the vehicle bottom plate, telescopic supports 9 are arranged on two sides of the jack, the top of the jack is connected with the vehicle top plate, and the top of the telescopic supports is connected with the vehicle top plate. Adopt the installation car, on the one hand can make things convenient for transporting and rising of heating cabinet, on the other hand has solved the unstable problem of heating cabinet hoist and mount.
Still referring to fig. 1, when the present invention is used for disassembling the bearing inner sleeve and the roller shoulder ring, the transfer cart is pushed to the shaft head of the roller 5, the jack is raised to make the heating sleeve and the roller substantially concentric, and the transfer cart is pushed to make the heating sleeve sleeved at the bearing inner sleeve and the roller shoulder ring; and (3) opening the distribution box 12, starting the copper coil to work, heating the bearing inner sleeve and the roller shoulder ring by heat passing through the heating sleeve, preserving heat when the temperature rises to about 200 ℃, pushing out the transfer cart when the measured temperature reaches 160-170 ℃, separating the heating box from the roller, and sequentially drawing the bearing inner sleeve and the roller shoulder ring by using a special tool to finish the disassembly.
When the bearing inner sleeve and the roller shoulder ring are installed, the bearing inner sleeve and the roller shoulder ring are conveyed into a heating sleeve of a heating box, and the bearing inner sleeve and the roller shoulder ring are supported by a limiting boss, so that the bearing inner sleeve, the roller shoulder ring and the heating sleeve are basically concentric; and opening the distribution box, starting the work of the pure copper coil, heating the bearing inner sleeve and the roller shoulder ring by heat passing through the heating sleeve, preserving heat when the temperature is raised to about 200 ℃, and taking out the bearing inner sleeve and the roller shoulder ring to be installed on the roller main shaft when the measured temperature is 110-120 ℃.
Claims (5)
1. The utility model provides a heating device that is used for quick assembly disassembly roll bearing endotheca and shoulder ring which characterized in that: the heating box is arranged on the installation vehicle, the heating box is provided with an outer box body and a heating sleeve, the heating sleeve is located in the outer box body, the heating sleeve is connected with the outer box body at the end portion, the heating sleeve is a stepped cylindrical piece, two sections of different diameters of the heating sleeve respectively correspond to a bearing inner sleeve and a roller shoulder ring, and a copper coil is wound outside the heating sleeve.
2. The heating apparatus for rapidly assembling and disassembling an inner sleeve and a shoulder ring of a roll bearing according to claim 1, wherein: the installation vehicle is provided with a vehicle bottom plate and a vehicle top plate, a jack is arranged on the vehicle bottom plate, telescopic supports are arranged on two sides of the jack, the top of the jack is connected with the vehicle top plate, and the top of each telescopic support is connected with the vehicle top plate.
3. The heating apparatus for rapidly assembling and disassembling an inner sleeve and a shoulder ring of a roll bearing according to claim 2, wherein: the heating jacket is made of an epoxy resin plate.
4. The heating apparatus for rapidly assembling and disassembling an inner sleeve and a shoulder ring of a roll bearing according to claim 3, wherein: the inner wall of the heating sleeve is provided with a limit boss.
5. The heating apparatus for rapidly assembling and disassembling the inner race and the shoulder ring of the roll bearing according to claim 4, wherein: the outer box body is provided with supporting legs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220405631.1U CN217045291U (en) | 2022-02-28 | 2022-02-28 | Heating device for quickly dismounting inner sleeve and shoulder ring of roller bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220405631.1U CN217045291U (en) | 2022-02-28 | 2022-02-28 | Heating device for quickly dismounting inner sleeve and shoulder ring of roller bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217045291U true CN217045291U (en) | 2022-07-26 |
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ID=82487031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220405631.1U Active CN217045291U (en) | 2022-02-28 | 2022-02-28 | Heating device for quickly dismounting inner sleeve and shoulder ring of roller bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217045291U (en) |
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2022
- 2022-02-28 CN CN202220405631.1U patent/CN217045291U/en active Active
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